Home / 8,518,289.70-12,777,434.55-5,329,643.70

Finding the Fourth Proportional to 8,518,289.70, 12,777,434.55 and 5,329,643.70

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Solution

The fourth proportional to 8,518,289.70, 12,777,434.55 and 5,329,643.70 is: 7,994,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,289.70 : 12,777,434.55 = 5,329,643.70 : x
  2. Step 2: Convert to fraction form
    8,518,289.70/12,777,434.55 = 5,329,643.70/x
  3. Step 3: Cross multiply
    8,518,289.70x = 12,777,434.55 × 5,329,643.70
  4. Step 4: Simplify right side
    8,518,289.70x = 68,099,173,551,569.84
  5. Step 5: Solve for x
    x = 68,099,173,551,569.84/8,518,289.70
  6. Step 6: Final answer
    x = 7,994,465.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.